What aspect is essential for effective use of a map in unknown territory?

Orienting the map is crucial for effective navigation, especially in unfamiliar territory. By aligning the map with the surrounding landscape, a user can accurately discern directions, locate their position, and understand the relationship between various features on the map and the terrain itself. This skill helps in making informed decisions while navigating, enabling the user to relate the map's symbols and markings to real-world locations and ensuring they are heading in the right direction. Without proper orientation, the map may become a confusing tool, leading one to make errors in navigation that can have significant consequences in the field. Thus, establishing the correct orientation is a foundational step for successful navigation and situational awareness.